Finding the Fourth Proportional to 65,302,655.97, 97,968,155.72 and 19,863,269.49
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Solution
The fourth proportional to 65,302,655.97, 97,968,155.72 and 19,863,269.49 is: 29,799,214.89
Step by Step Solution
- Step 1: Write the proportion equation
65,302,655.97 : 97,968,155.72 = 19,863,269.49 : x - Step 2: Convert to fraction form
65,302,655.97/97,968,155.72 = 19,863,269.49/x - Step 3: Cross multiply
65,302,655.97x = 97,968,155.72 × 19,863,269.49 - Step 4: Simplify right side
65,302,655.97x = 1,945,967,878,405,328.50 - Step 5: Solve for x
x = 1,945,967,878,405,328.50/65,302,655.97 - Step 6: Final answer
x = 29,799,214.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.